The 4448-134L from API Delevan is a Power Inductor with Inductance 300 to 1200 µH, Inductance Tolerance ±20 %, DCR 672 to 2688 milli-ohm, Saturation Current 310 to 620 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for 4448-134L can be seen below.